Chemical Bonding Worksheet With Answer Key Page 2
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11ch9 and 10 practice test
12. Which one of the following compounds does not follow the octet rule?
A. NF
B. CF
C. PF
D. AsH
E. HCl
3
4
5
3
13. The bond between which of the following pairs of atoms would be the least polar (lowest
percent ionic character)?
•
•
•
•
•
A. C
Cl
B. C
C
C. C
H
D. O
C
E. N
C
14. The total number of bonding electrons in a molecule of formaldehyde (H
CO) is
2
A. 3
B. 4
C. 6
D. 8
E. 18
15. A nonpolar covalent bond (pure covalent) would form between which one of the following
pairs of atoms?
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•
•
•
•
A. Na
Cl
B. H
Cl
C. Li
Br
D. Se
Br
E. Br
Br
16. What is the hybridization on the central atom in NO
?
3 –
2
3
3
3
2
A. sp
B. sp
C. sp
D. sp
d
E. sp
d
3 •
18. The Lewis structure for a chlorate ion, ClO
should show ____ single bond(s), ____
double bond(s), and ____ lone pair(s).
A. 2, 1, 10
B. 3, 0, 9
C. 2, 1, 8
D. 3, 0, 10
E. 2, 1, 10
3 •
19. Each of the three resonance structures of NO
has how many lone pairs of electrons?
A. 7
B. 8
C. 9
D. 10
E. 13
20. According to VSEPR theory, which one of the following molecules should be trigonal
bipyramidal?
A. SF
B. XeF
C. NF
D. SF
E. PF
4
4
3
6
5
21. The geometry of the CS
molecule is best described as
2
A. linear.
B. trigonal planar.
C. tetrahedral.
D. bent.
E. trigonal pyramidal.
22. Predict the molecular geometry and polarity of the SO
molecule.
2
A. linear, polar
B. linear, nonpolar
C. bent, polar
D. bent, nonpolar
E. None of the above.
23. Which one of the following is most likely to be a covalent compound?
A. Rb
S
B. SrCl
C. CS
D. CaO
E. MgI
2
2
2
2
Page 2
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